"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 故障&可靠性测试
Case Name   : 备机表空间目录权限不同，备机进行查询操作
Create At   : 2022/04/22
Owner       : @peilinqian
Description :
    1、创建表空间;
    2、创建表、插入数据、查询数据;
    3、重启数据库，消除缓存影响;
    4、修改表空间目录权限为000，进行表数据查询;；
    5、修改表空间目录权限为100;进行表数据查询;
    6、修改表空间目录权限为200，进行表数据查询;
    7、修改表空间目录权限为300，进行表数据查询;
    8、修改表空间目录权限为400，进行表数据查询;
    9、修改表空间目录权限为500，进行表数据查询;
    10、修改表空间目录权限为600，进行表数据查询;
Expect      :
    1、创建表空间;创建成功
    2、创建表、插入数据、查询数据;操作成功
    3、重启数据库，消除缓存影响;重启成功
    4、修改表空间目录权限为000，进行表数据查询;操作失败；
    5、修改表空间目录权限为100;进行表数据查询;操作成功
    6、修改表空间目录权限为200，进行表数据查询;操作失败
    7、修改表空间目录权限为300，进行表数据查询;操作成功
    8、修改表空间目录权限为400，进行表数据查询;操作失败
    9、修改表空间目录权限为500，进行表数据查询;操作成功
    10、修改表空间目录权限为600，进行表数据查询;操作失败
History     :
"""

import os
import re
import unittest

from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.CommonSH import RestartDbCluster
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import Node
from yat.test import macro


class DbSysCase279(unittest.TestCase):
    nodes_tuple = ('PrimaryDbUser', 'Standby1DbUser', 'Standby2DbUser')

    @RestartDbCluster(*nodes_tuple)
    def setUp(self):
        self.log = Logger()
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        self.pri_root = Node(node='PrimaryRoot')
        self.pri_dbuser = Node(node='PrimaryDbUser')
        self.sta1_root = Node(node='Standby1Root')
        self.sta1_dbuser = Node(node='Standby1DbUser')
        self.sta2_dbuser = Node(node='Standby2DbUser')
        self.pri_sh = CommonSH('PrimaryDbUser')
        self.sta1_sh = CommonSH('Standby1DbUser')
        self.constant = Constant()
        self.com = Common()
        self.tbspc_name = 'tbspc_dbsys279'
        self.tbspc_path = os.path.join(os.path.dirname(
            macro.DB_INSTANCE_PATH), 'tbspc_dbsys279')
        self.create_ts_sql = f"create tablespace {self.tbspc_name} " \
            f"location '{self.tbspc_path}';"
        self.drop_ts_sql = f"drop tablespace if exists {self.tbspc_name};"
        self.tb_name = 't_dbsys279'
        self.create_tb_sql = f"drop table if exists {self.tb_name};" \
            f"create table {self.tb_name} (id int,name varchar(100)) " \
            f"tablespace {self.tbspc_name};"
        self.insert_num = 100000
        self.insert_sql = f"insert into {self.tb_name} " \
            f"select generate_series(1, {self.insert_num})," \
            f"'name-'||generate_series(1, {self.insert_num});" \
            f"checkpoint;"
        self.select_sql = f"select count(*) from {self.tb_name};"
        self.drop_tb_sql = f"drop table if exists {self.tb_name};checkpoint;"
        self.err_msg = 'ERROR:  could not open file .*: Permission denied'
        self.chmod_cmd = f'chmod authority {self.tbspc_path} &&' \
            f'ls -al {os.path.dirname(self.tbspc_path)} ' \
            f'|grep {self.tbspc_name}'

    def test_main(self):
        step_txt = '----step1:创建表空间;expect:创建成功----'
        self.log.info(step_txt)
        create_result = self.pri_sh.executDbSql(self.create_ts_sql)
        self.log.info(create_result)
        self.assertIn(self.constant.CREATE_TBLSPACE_SUCCESS_MSG,
                      create_result, "执行失败" + step_txt)

        step_txt = '----step2:创建表、插入数据、查询数据;expect:操作成功----'
        self.log.info(step_txt)
        create_result = self.pri_sh.executDbSql(self.create_tb_sql)
        self.log.info(create_result)
        insert_result = self.pri_sh.executDbSql(self.insert_sql)
        self.log.info(insert_result)
        select_result = self.pri_sh.executDbSql(self.select_sql)
        self.log.info(select_result)
        self.assertIn(self.constant.TABLE_CREATE_SUCCESS, create_result,
                      "执行失败" + step_txt)
        self.assertIn(self.constant.insert_success_msg, insert_result,
                      "执行失败" + step_txt)
        self.assertIn(str(self.insert_num), select_result,
                      "执行失败" + step_txt)

        step_txt = '----step3:重启数据库，消除缓存影响;expect:重启成功----'
        self.log.info(step_txt)
        stop_msg = self.pri_sh.stopDbCluster()
        start_msg = self.pri_sh.startDbCluster()
        self.log.info('----查询主备状态----')
        status = self.pri_sh.getDbClusterStatus('status')
        self.assertTrue(stop_msg, "执行失败" + step_txt)
        self.assertTrue(start_msg, "执行失败" + step_txt)
        self.assertTrue(status, "执行失败" + step_txt)

        step_txt = '----step4:修改表空间目录权限为000，进行表数据查询;' \
                   'expect:操作失败；----'
        self.log.info(step_txt)
        chmod_cmd = self.chmod_cmd.replace('authority', '000')
        chmod_result = self.com.get_sh_result(self.sta1_root, chmod_cmd)
        self.assertIn('d---------', chmod_result, "执行失败" + step_txt)
        select_result = self.sta1_sh.executDbSql(self.select_sql)
        self.log.info(select_result)
        self.assertEqual(len(re.findall(self.err_msg, select_result)), 1,
                         "执行失败" + step_txt)

        step_txt = '----step5:修改表空间目录权限为100;进行表数据查询;' \
                   'expect:操作成功----'
        self.log.info(step_txt)
        chmod_cmd = self.chmod_cmd.replace('authority', '100')
        chmod_result = self.com.get_sh_result(self.sta1_root, chmod_cmd)
        self.assertIn('d--x------', chmod_result, "执行失败" + step_txt)
        select_result = self.sta1_sh.executDbSql(self.select_sql)
        self.log.info(select_result)
        self.assertIn(str(self.insert_num), select_result, "执行失败" + step_txt)

        step_txt = '----step6:修改表空间目录权限为200，进行表数据查询;' \
                   'expect:操作失败----'
        self.log.info(step_txt)
        chmod_cmd = self.chmod_cmd.replace('authority', '200')
        chmod_result = self.com.get_sh_result(self.sta1_root, chmod_cmd)
        self.assertIn('d-w-------', chmod_result, "执行失败" + step_txt)
        select_result = self.sta1_sh.executDbSql(self.select_sql)
        self.log.info(select_result)
        self.assertEqual(len(re.findall(self.err_msg, select_result)), 1,
                         "执行失败" + step_txt)

        step_txt = '----step7:修改表空间目录权限为300，进行表数据查询;' \
                   'expect:操作成功----'
        self.log.info(step_txt)
        chmod_cmd = self.chmod_cmd.replace('authority', '300')
        chmod_result = self.com.get_sh_result(self.sta1_root, chmod_cmd)
        self.assertIn('d-wx------', chmod_result, "执行失败" + step_txt)
        select_result = self.sta1_sh.executDbSql(self.select_sql)
        self.log.info(select_result)
        self.assertIn(str(self.insert_num), select_result, "执行失败" + step_txt)

        step_txt = '----step8:修改表空间目录权限为400，进行表数据查询;' \
                   'expect:操作失败----'
        self.log.info(step_txt)
        chmod_cmd = self.chmod_cmd.replace('authority', '400')
        chmod_result = self.com.get_sh_result(self.sta1_root, chmod_cmd)
        self.assertIn('dr--------', chmod_result, "执行失败" + step_txt)
        select_result = self.sta1_sh.executDbSql(self.select_sql)
        self.log.info(select_result)
        self.assertEqual(len(re.findall(self.err_msg, select_result)), 1,
                         "执行失败" + step_txt)

        step_txt = '----step9:修改表空间目录权限为500，进行表数据查询;' \
                   'expect:操作成功----'
        self.log.info(step_txt)
        chmod_cmd = self.chmod_cmd.replace('authority', '500')
        chmod_result = self.com.get_sh_result(self.sta1_root, chmod_cmd)
        self.assertIn('dr-x------', chmod_result, "执行失败" + step_txt)
        select_result = self.sta1_sh.executDbSql(self.select_sql)
        self.log.info(select_result)
        self.assertIn(str(self.insert_num), select_result, "执行失败" + step_txt)

        step_txt = '----step10:修改表空间目录权限为600，进行表数据查询;' \
                   'expect:操作失败----'
        self.log.info(step_txt)
        chmod_cmd = self.chmod_cmd.replace('authority', '600')
        chmod_result = self.com.get_sh_result(self.sta1_root, chmod_cmd)
        self.assertIn('drw-------', chmod_result, "执行失败" + step_txt)
        select_result = self.sta1_sh.executDbSql(self.select_sql)
        self.log.info(select_result)
        self.assertEqual(len(re.findall(self.err_msg, select_result)), 1,
                         "执行失败" + step_txt)

    def recovery(self):
        self.log.info("--恢复集群--")
        chmod_cmd = self.chmod_cmd.replace('authority', '700')
        self.com.get_sh_result(self.sta1_root, chmod_cmd)
        start_result = self.pri_sh.startDbCluster()
        self.log.info("--创建表--")
        create_msg = self.pri_sh.executDbSql(self.create_tb_sql)
        self.log.info(create_msg)
        return start_result and \
               self.constant.TABLE_CREATE_SUCCESS in create_msg

    def tearDown(self):
        self.log.info("----this is tearDown----")
        step1_txt = '----清理表及残留文件; expect:成功----'
        self.log.info(step1_txt)
        chmod_cmd = self.chmod_cmd.replace('authority', '700')
        chmod_result = self.com.get_sh_result(self.sta1_root, chmod_cmd)
        drop_tb_result = self.pri_sh.executDbSql(self.drop_tb_sql)
        self.log.info(drop_tb_result)
        step2_txt = '----清理表空间; expect:成功----'
        self.log.info(step2_txt)
        drop_ts_result = self.pri_sh.executDbSql(self.drop_ts_sql)
        self.log.info(drop_ts_result)
        step3_txt = '----删除表空间路径; expect:成功----'
        self.log.info(step3_txt)
        del_cmd = f"rm -rf {self.tbspc_path}; " \
            f"if [ -d {self.tbspc_path} ]; then echo 'exists'; " \
            f"else echo 'not exists'; fi;"
        self.log.info(del_cmd)
        del_result1 = self.pri_dbuser.sh(del_cmd).result()
        del_result2 = self.sta1_dbuser.sh(del_cmd).result()
        del_result3 = self.sta2_dbuser.sh(del_cmd).result()
        self.log.info(del_result1)
        self.log.info(del_result2)
        self.log.info(del_result3)

        self.log.info(f'-----{os.path.basename(__file__)} end-----')
        self.assertIn('drwx------', chmod_result, "执行失败" + step1_txt)
        self.assertIn(self.constant.TABLE_DROP_SUCCESS, drop_tb_result,
                      "执行失败" + step1_txt)
        self.assertIn(self.constant.drop_tablespace_success_msg,
                      drop_ts_result, "执行失败" + step2_txt)
        self.assertEqual('not exists', del_result1, "执行失败" + step3_txt)
        self.assertEqual('not exists', del_result2, "执行失败" + step3_txt)
        self.assertEqual('not exists', del_result3, "执行失败" + step3_txt)
